Combined bow rest and lock.



D. J. MACDONALD.

COMBINED BOW REST AND LOOK.

APPLICATION FILED APR.19,1912.

1,073,503, Patented Sept. 16,1913.

\X/IT ESE E E DONALD J. MACDONALD, OF PORTLAND, MAINE.

COMBINED BOW BEST AND LOCK.

rotation.

Specification of Letters Patent.

Patented S ept. 16,119.13.

Application filed April 19, 1912. Serial No. 691,799.

To all whom it may concern Be it known that I, DONALD J. Macao's- ALD, a citizen of the United States, residing at Portland, in the county of Cumberland and State of Maine, have invented certain new and useful lmprm'ements in Combined Bow Rests and Locks, of which the follow ing a specification.

This invention relates to a combined bow lock and rest of the class used in connection with the bows of top carriages and is especially designed to make a combined lock and rest which locks automatically and which can be easily and conveniently unlocked.

in the drawings herewith accompanying and making a part of this application, Figure 1 is a side elevation of a portion of the bows of a top carriage showing my improved device applied thereto; Fig. 2 is a longitudinal vertical sectional view of the bow rest and lock, the top member being in elevation; Fig. 3 is a view of the end of the same opposite the operating lever; l ig. t is an inner end view of the operating lever; Fig. 5 is a detail view of the locking pin; and Fig. 6 is a front view of the tongue member.

Same reference characters indicate like parts in the several figures.

In the drawings A represents the bows, B the tongue member and G the tongue receiving member of the bow rest and lock for each bow. Each member is provided with a circular flange D to receive the bow and by means of which it is attached to the bow in any convenient manner. The upper member B is provided with a downwardly projecting tongue E and the lower member 0 is provided with a tongue receiving chamber 1*. The lower extremity of the tongue is beveled on the ends and sides, as seen at G and G respectively. In the front of the tongue midway the top and bottom is a recess H the bottom of which is inclined downwardly, as seen at I, and is curved in cross section, as seen at I, Fig. (5.

In the socket member is a chamber J in which is mounted a movable locking bolt K, its inner end beveled, as seen at L, and adapted normally to extend into the path of tongue E and into engagement with the curved part I of the tongue. The locking bolt is provided with a shoulder M near its inner end and it is surrounded by a coil spring N tending normally to hold it in the position shown in Fig. 2, and, when the two members are united, in engagei'nent with tongue 16. One end of the spring engages shoulder M and the other end engages the end of member 0 or a stop 0 inserted thcrein. The end of men'iber (J or stop 0 may be countersunk somewhat beyond the end thereof. The locking bolt is positioned lengthwise of member (J and projects beyond the end thereof. livotally attached to the lock ing bolt outside member U by a pivot pin W is a lever 1: having a [lat inner end, the pivot pin extending vertically through the lever and through the end of the bolt. The lever is located between the bows and is provided with an elongated socket it in the end thereof adapted to receive the outer end of the bolt. The tension of spring N tends to throw the bolt into the position shown in llig. 2 and the tension may be overcome by moving the lever either way laterally upon the pivot pin. The inner end of the lever is preferably circular and its periphery, when the lever is turned, slidingly engaging the end of member (I or the stop 0, causes the lever to draw the locking bar outwardly and out of engagement with the tongue. The lever lies between the bows and parallel with them and is out of the way and not liable to be caught by any foreign body. The locking bolt is provided with a pin V working in a longitudinal groove \V to prevent its rotation. Lever It is always in position to be moved laterally in either direction between the bows to unlock members I) and (l. The outer end of the locking bolt has limited movement in the elongated socket R in the end of the lever, and, to take up wear and to prevent rattling, a spring S is inserted in the socket. The spring S is provided with a butler T to engage the end of the locking bolt. The movement of the end of the locking bolt in the socket is so slight that it cannotupsct the spring and butter. The members 13 and C are preferably provided with tongue and groove meeting faces, as shown at X in Fig. 3.

The operation of my improved device is as follows: \Vhen the locking bolt is not witlulrawn and the carriage top is put down the beveled edge of the locking bolt as itentcrs recess I! automatically pushes the bolt outwardly until the tongue descends to a point where the recess ll. in the tongue comes opposite the locking belt which then, impelled by spring J, moves into said recess and into locking engagement with the tongue. If the locking bolt is withdrawn when the top is put down, the lever is manually operated to release the locking bolt which then, impelled by the spring, moves into engagement with the locking tongue.

Having thus described my invention and its use I claim:

1. In a combined bow rest and lock, two members, one member provided with a depending tongue and the other member provided with a tongue receiving recess, a locking bolt mounted in the latter member, a spring tending normally to throw said bolt into engagement with said tongue, an oper ating lever provided with a socket, the outer end of said bolt projecting into and being concealed in said socket whereby said lever conceals both the end of the locking bolt and the locking bolt receiving opening, and means for connecting the lever to said bolt.

2. In a combined bow rest and lock, two members, one member provided with a depending tongue and the other member pro vided with a tongue receiving recess, a locking bolt mounted in the latter member, a spring tending to throw said bolt into engagement with said tongue, an operating lever provided with a socket adapted to re ceive and conceal the end'of said bolt, said socket being of greater area than the area of the bolt, and means for pivotally connecting the lever to said bolt.

3. In a combined bow rest and lock, two members, one member provided with a depending tongue and the other member provided with a tongue receiving recess, a locking bolt mounted in the latter member, a spring tending to throw said bolt into on gagement with said tongue, an operating lever provided with an elongated socket adapted to receive and conceal the end of said. bolt, said socket being of greater area than the area of the bolt, and means for pivotally connecting the lever to said bolt.

4. In a combined bow rest and lock, two members, one member provided with a depending tongue' and the other member provided with a tongue receiving recess, a longitudinally positioned locking bolt mounted in the latter member, a spring tending normally to throw said bolt into engagement with said tongue, an operating lever provided with an elongated socket in which the end of said locking bolt is pivotally mounted and a spring interposed between the bottom of the socket and the end of the locking bolt.

5. in a combined bow rest and lock, two members, one member provided with a depending tongue and the other member provided with a tongue receiving recess, a locking bolt slidably mounted in the latter member, a spring tending normally to throw said bolt into locking engagement with said tongue, an operating lever having its fulcrum end adapted, when in locking position, to conform throughout its entire extent to said bolt supporting member, a bolt receiving socket in the fulcrum end of said lever adapted to receive the end of said bolt, and means for pivotally connecting said lever to said bolt, whereby the projecting end of the bolt is entirely concealed.

DONALD J. MACDONALD.

Witnesses:

ELGIN O. VERRILL, CHARLES L. FOSTER.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of ratents,

Washington, D. G. i 

